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CVE-2016-6302

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenSSL是OpenSSL团队开发的一个开源的能够实现安全套接层（SSL v2/v3）和安全传输层（TLS v1）协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 1.0.2h及之前的版本中的ssl/t1_lib.c文件中的‘tls_decrypt_ticket’函数存在安全漏洞，该漏洞源于程序验证ticket长度时，没有设置HMAC的大小值。远程攻击者可利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 27.81% · P98

Possible ATT&CK Techniques 1 AI

T1531 · Account Access Removal
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I. Basic Information for CVE-2016-6302

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
OpenSSL 拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSL是OpenSSL团队开发的一个开源的能够实现安全套接层（SSL v2/v3）和安全传输层（TLS v1）协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 1.0.2h及之前的版本中的ssl/t1_lib.c文件中的‘tls_decrypt_ticket’函数存在安全漏洞，该漏洞源于程序验证ticket长度时，没有设置HMAC的大小值。远程攻击者可利用该漏洞造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2016-6302

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III. Intelligence Information for CVE-2016-6302

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Vendor Advisories for CVE-2016-6302 (15)

Other References for CVE-2016-6302 (11)

Same Patch Batch · n/a · 2016-09-16 · 15 CVEs total

CVE-2016-4256 Adobe Digital Editions 远程内存损坏漏洞
CVE-2016-4257 Adobe Digital Editions 远程内存损坏漏洞
CVE-2016-4258 Adobe Digital Editions 远程内存损坏漏洞
CVE-2016-4259 Adobe Digital Editions 远程内存损坏漏洞
CVE-2016-4260 Adobe Digital Editions 远程内存损坏漏洞
CVE-2016-4261 Adobe Digital Editions 远程内存损坏漏洞
CVE-2016-4262 Adobe Digital Editions 远程内存损坏漏洞
CVE-2016-4263 Adobe Digital Editions 释放后重用漏洞
CVE-2016-6936 Adobe AIR SDK & Compiler 远程安全漏洞
CVE-2016-2179 OpenSSL 安全漏洞
CVE-2016-2181 OpenSSL 拒绝服务漏洞
CVE-2016-2182 OpenSSL‘BN_bn2dec()’函数拒绝服务漏洞
CVE-2016-6303 OpenSSL‘MDC2_Update’函数整数溢出漏洞
CVE-2016-7420 Crypto++ 信息泄露漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2016-6302

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